_____ deep down in the earth, the dead forests rotted away and became coal.
#97260
A
Buried
B
Burying
C
To bury
D
Being buried
推荐题目
________ the course very difficult，she decided to move to a lower level.(2013·北京，24)
#88738
A
Find
B
Finding
C
To find
D
Found
Hearing loss in a large number of teenagers______ caused because of their listening to loud music.
#90729
A
is
B
has
C
are
D
have
—I would like to buy an expensive camera.—Well, we have several models_____ .
#98922
A
to choose from
B
to choose
C
to be chosen
D
for choice